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Here is a group of pictures that demonstrate what is meant by FOIL:

First-OIL:

Multiply the ** first** terms of the
binomial factors to get the first term of the result.

F-Outer-IL:

Multiply the ** outer** terms of the
binomial factors to get the second term of the result.

FO-Inner-L:

Multiply the ** inner** terms of the
binomial factors to get the third term of the result.

FOI-Last:

Multiply the ** last** terms of the binomial factors to
get the last term of the result.

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